So, grandma got ran over by a reindeer,” said Brooks (Paul). The song was preformed by Elmo & Patsy, Elmo Shropshire and Patsy Trig, a husband and wife group. They self-released the song in San Francisco in 1979. Within five years the song was a top hit and being played on the radio everywhere.
Here is a more recent variation of this classic by the A cappella singing group Home Free.